7 Conveyor installations being machines for the transport of bulk materials; conveyor machines for the transport of bulk materials; mechanical material treatment installations being machines for handling bulk materials, namely, cranes for handling bulk materials, robots for handling bulk materials; separators, namely, machines for separating recyclable materials, waste and trash separator machines, centrifugal separators, cyclone separators; mixers, namely, mixing machines, industrial mixers for mixing bulk materials; discharging devices, namely, mechanical discharging hoppers for discharging bulk materials from containers, cranes for discharging bulk materials from containers, robots for discharging bulk materials from containers; filters being parts of separator machines and sorting machines; filters being parts of engines; valves being parts of machines; slide valves being parts of machines; pumps, namely, circulating pumps, electric pumps, pneumatic pumps, hydraulic pumps; axial flow blowers and centrifugal blowers; compressors, namely, air compressors, gas compressors, electric compressors; compressors as parts of machines; classifiers being sorting machines for industrial use, namely, machines for sorting recyclable materials, machines for sorting bulk materials, sorting machines for chemical processing; waste and trash conveying machines; waste compacting machines; machines, namely, waste presses; waste cutting machines; waste sorting machines; waste recycling machines, namely, machines for sorting and separating recyclable waste materials; machines, namely, waste shredders for industrial use and waste compactors; waste and trash separating machines; valves as machine components; slide valves as machine components; machines, namely, screw machines for feeding bulk materials into extrusion machines, screw feeders for feeding bulk materials into extrusion machines; rotary valves for pneumatic or hydraulic conveying machines for transporting bulk materials; diverters for pneumatic or hydraulic conveying machines for transporting bulk materials; machines for the filling of containers; apparatus being machines for taking samples of bulk materials from conveyor installations; feeding devices as parts of pneumatic or hydraulic conveyor lines for bulk materials; extruders, namely, extrusion machines for chemicals, pharmaceuticals, plastics, rubber, mineral materials, textiles, cosmetics, and foods; structural replacement parts of extrusion machines, namely, screw elements, kneading elements, housing elements, and profile shafts; granulating devices, namely, granulating machines for chemicals, pharmaceuticals, plastics, rubber, mineral materials, textiles, cosmetics, and foods; machines, namely, separators made of metal for separating bulk materials; structural replacement parts of the aforementioned goods